:root{--brand:#0369a1;--brand-dark:#075985;--brand-light:#e0f2fe;--accent:#f97316;--accent-dark:#ea580c;--bg:#f8fafc;--card:#fff;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--ok:#16a34a;--warn:#d97706;--danger:#dc2626;--radius:14px;--shadow:0 1px 3px rgba(15,23,42,.08),0 4px 16px rgba(15,23,42,.06);--shadow-hover:0 4px 12px rgba(15,23,42,.12),0 8px 24px rgba(15,23,42,.08);--transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}body{font-family:-apple-system,BlinkMacSystemFont,Noto Sans TC,PingFang TC,Microsoft JhengHei,Segoe UI,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--brand);transition:var(--transition)}a,a:hover{text-decoration:none}a:hover{color:var(--brand-dark)}img{max-width:100%;height:auto}.container{max-width:1120px;margin:0 auto;padding:0 20px}.section{padding:64px 0}.section-tight{padding:40px 0}.section-title{font-size:30px;font-weight:800;text-align:center;margin-bottom:10px;letter-spacing:.5px}.section-sub{text-align:center;color:var(--muted);margin-bottom:40px;font-size:17px}.btn{display:inline-block;padding:13px 30px;border-radius:10px;font-weight:700;font-size:16px;transition:var(--transition);border:none;cursor:pointer;text-align:center;text-decoration:none!important}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(249,115,22,.35)}.btn-primary:hover{background:var(--accent-dark);color:#fff}.btn-secondary{background:#fff;color:var(--brand);border:2px solid var(--brand)}.btn-secondary:hover{background:var(--brand-light)}.btn-ghost{background:hsla(0,0%,100%,.15);color:#fff;border:2px solid hsla(0,0%,100%,.6)}.btn-ghost:hover{background:hsla(0,0%,100%,.25);color:#fff}.btn-lg{padding:16px 40px;font-size:18px}.btn-block{display:block;width:100%}.nav{background:#fff;border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:100;box-shadow:0 1px 8px rgba(15,23,42,.05);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.nav-inner{justify-content:space-between;height:64px}.nav-inner,.nav-logo{display:flex;align-items:center}.nav-logo{font-size:22px;font-weight:900;color:var(--brand);gap:8px}.nav-logo:hover{text-decoration:none}.nav-links{display:flex;gap:26px;align-items:center;list-style:none}.nav-links a{color:var(--text);font-weight:600;font-size:15px}.nav-links a:hover{color:var(--brand)}.nav-cta{background:var(--accent);color:#fff!important;padding:8px 18px;border-radius:8px}.nav-cta:hover{background:var(--accent-dark)}.nav-toggle{display:none;background:none;border:none;font-size:26px;cursor:pointer;color:var(--text)}.hero{background:linear-gradient(135deg,#0c4a6e,#0369a1 55%,#0ea5e9);color:#fff;padding:80px 0 90px;position:relative;overflow:hidden}.hero:after{right:-120px;top:-120px;width:420px;height:420px;background:hsla(0,0%,100%,.07)}.hero:after,.hero:before{content:"";position:absolute;border-radius:50%}.hero:before{left:-80px;bottom:-160px;width:320px;height:320px;background:rgba(249,115,22,.15)}.hero-inner{position:relative;z-index:1;text-align:center;max-width:860px;margin:0 auto}.hero h1{font-size:42px;font-weight:900;line-height:1.3;margin-bottom:18px;letter-spacing:1px}.hero .hero-sub{font-size:18px;opacity:.92;margin-bottom:14px}.hero-badges{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:22px 0 34px}.hero-badge{background:hsla(0,0%,100%,.14);border:1px solid hsla(0,0%,100%,.3);padding:7px 16px;border-radius:999px;font-size:14px;font-weight:600;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.hero-ctas{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.hero-note{margin-top:22px;font-size:14px;opacity:.8}.grid{display:grid;grid-gap:22px;gap:22px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--card);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);border:1px solid var(--border);transition:var(--transition)}.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.card h3{font-size:19px;margin-bottom:10px;font-weight:800}.card p{color:var(--muted);font-size:15px}.card-icon{font-size:34px;margin-bottom:14px;display:block}.pain-card{border-left:4px solid var(--danger)}.pain-solve{margin-top:12px;padding-top:12px;border-top:1px dashed var(--border);color:var(--ok);font-weight:700;font-size:14.5px}.formula-box{background:linear-gradient(135deg,#0c4a6e,#0369a1);color:#fff;border-radius:var(--radius);padding:40px 32px;text-align:center}.formula{font-size:24px;font-weight:800;margin:16px 0;padding:18px;background:hsla(0,0%,100%,.12);border-radius:10px;font-family:Courier New,monospace}.formula-example{background:hsla(0,0%,100%,.1);border-radius:10px;padding:18px 20px;margin:18px auto 0;max-width:640px;text-align:left;font-size:15px;line-height:1.9}.no-hidden{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:18px;font-size:14.5px}.no-hidden span{background:rgba(22,163,74,.25);border:1px solid rgba(74,222,128,.5);padding:5px 14px;border-radius:999px}.tbl-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);background:#fff}table.tbl{width:100%;border-collapse:collapse;font-size:15px}.tbl th{background:var(--brand);color:#fff;padding:14px 16px;text-align:left;font-weight:700;white-space:nowrap}.tbl td{padding:13px 16px;border-bottom:1px solid var(--border)}.tbl tr:last-child td{border-bottom:none}.tbl tr:nth-child(2n) td{background:#f8fafc}.tbl .hl td{background:var(--brand-light)!important;font-weight:700}.steps{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:22px;gap:22px;counter-reset:step}.step{position:relative;background:#fff;border-radius:var(--radius);padding:30px 24px 24px;box-shadow:var(--shadow);border-top:4px solid var(--brand)}.step-num{position:absolute;top:-20px;left:22px;width:40px;height:40px;background:var(--accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:19px;box-shadow:0 3px 10px rgba(249,115,22,.4)}.step h3{font-size:17px;margin:10px 0 8px}.step p{color:var(--muted);font-size:14.5px}.faq-item{background:#fff;border-radius:12px;margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden;border:1px solid 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li:before{content:"⚠️"}.ban-list li:before{content:"❌"}.guide-card{display:block;color:var(--text)}.guide-card:hover{text-decoration:none;transform:translateY(-3px);transition:all .2s}.breadcrumb{font-size:13.5px;padding:14px 0}.breadcrumb,.breadcrumb a{color:var(--muted)}@media (max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3,.steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.hero h1{font-size:30px}.lp-hero h1{font-size:26px}.nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:18px;gap:16px;box-shadow:0 8px 20px rgba(0,0,0,.1);border-top:1px solid var(--border)}.nav-links.open{display:flex}.nav-toggle{display:block}.est-row{gap:6px}.est-chans,.est-row{grid-template-columns:1fr}.formula{font-size:17px}.section{padding:44px 0}.hero{padding:56px 0 64px}}@media (max-width:560px){.grid-2,.grid-4{grid-template-columns:1fr}.section{padding:36px 0}.hero{padding:44px 0 52px}.hero 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